Type : 5 Port, 3 Position, 2 Coil
Pressure : 10 Bar
Temperature : : -50 ~ 80 C
Size : 1/8" ~ 3/4"
Voltage : AC 230, DC 24 V
Body : Aluminum
Hafner MH 531 series Pneumatic Solenoid Valve has Center Close 2 Coils to hold Cylinder position.
http://www.hafner-pneumatik.com/mh_531____1